# If you need to import additional packages or classes, please import here.

def func():


    # please define the python3 input here.
    # For example: a,b = map(int, input().strip().split())
    # please finish the function body here.
    # please define the python3 output here. For example: print()
    a, b = map(int, input().strip().split())



if __name__ == "__main__":
    func()